title: Dose rate assessment of terrestrial gamma radiation in the Delta region of Nigeria.
mesh_terms: D001417:Background Radiation; D004784:Environmental Monitoring; D005720:Gamma Rays; D005843:Geography; D009549:Nigeria; D011829:Radiation Dosage; D011874:Radiometry / Q000379:methods*; D012987:Soil / Q000032:analysis*; D012990:Soil Pollutants, Radioactive / Q000032:analysis*
chemical_list: D012987:Soil; D012990:Soil Pollutants, Radioactive